Published on January 22, 2026

Medigap Plans in Wisconsin: An Essential Guide

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If you’ve talked to friends or family in other states about their Medigap plans, you might feel like you’re speaking a different language. That’s because Wisconsin has a unique approach to Medicare Supplement insurance. While most of the country uses a standardized system with plans labeled A through N, our state simplifies the process with a core “Basic Plan” that all insurance companies must offer. This structure is designed to make your initial choice straightforward. Instead of comparing a dozen different plan types, you start with one solid foundation of coverage. This guide will break down exactly how Medigap plans in Wisconsin work, from the comprehensive Basic Plan to the optional benefits you can add to create a custom fit for your needs.

Key Takeaways

  • Wisconsin Medigap is a “Build-Your-Own” System: Instead of standardized lettered plans like G or N, Wisconsin offers a foundational “Basic Plan.” You can then add optional riders for things like deductibles or foreign travel to create coverage that fits your needs.
  • Prioritize Your Open Enrollment Period: Your best opportunity to buy a plan is during the six-month window that starts when you turn 65 and enroll in Part B. Insurers cannot deny you coverage or charge more for pre-existing conditions during this one-time period.
  • Shop Around for the Best Price: While the Basic Plan offers the same core benefits from every company, the monthly premiums can differ greatly. Always compare quotes from several insurers to find the most affordable rate for the exact same coverage.

What Are Wisconsin Medigap Plans?

If you’ve started looking into Medigap, you might have heard friends or family in other states talk about Plans G or N. Here in Wisconsin, you can set that information aside. Our state has a unique approach to Medicare Supplement insurance that’s quite different from the standardized system used almost everywhere else. Instead of choosing from a menu of lettered plans, Wisconsin offers a foundational “Basic Plan” that you can build upon by adding optional benefits, known as riders. This system was designed to give you more control over your coverage and costs.

This “build-your-own” approach can feel a little confusing at first, especially if you’re used to hearing about the standardized plans. But the core purpose of a Wisconsin Medigap plan is exactly the same: to help pay for the out-of-pocket costs that Original Medicare (Parts A and B) leaves behind. Think of it as creating a custom-fit safety net. You start with a strong base of coverage and then add specific protections that matter most to you, whether that’s covering your Part A deductible or ensuring you have help with skilled nursing facility costs. It’s a system designed for flexibility, and we’ll break down exactly how it works so you can feel confident in your choices.

What is Medicare Supplement Insurance?

Before we get into Wisconsin’s specifics, let’s quickly cover the basics. Medicare Supplement Insurance, often called Medigap, is extra insurance you can buy from a private company. Its job is to help pay for some of the health care costs that Original Medicare doesn’t cover, like your copayments, coinsurance, and deductibles. These out-of-pocket expenses are the “gaps” in Medicare coverage that a Medigap policy is designed to fill. It works alongside your Original Medicare benefits to give you more predictable health care costs and greater peace of mind.

How Wisconsin’s System is Different

Here’s the most important thing to know: Wisconsin is one of just three states that doesn’t use the standardized A through N Medigap plans. Instead, our state mandates a “Basic Plan” that all insurance companies must offer. This plan covers a core set of benefits, including certain hospital and medical costs. From there, you can customize your coverage by adding optional riders. These riders let you add benefits like coverage for the Part A deductible, additional home health care, or foreign travel emergencies. This à la carte approach gives you the control to pay only for the extra benefits you truly need.

How Wisconsin Medigap Plans Differ from Other States

If you’ve talked to friends or family in other states about their Medigap plans, you might feel like you’re speaking a different language. That’s because Wisconsin has a unique approach to Medicare Supplement insurance. While most of the country uses a standardized system with plans labeled A through N, Wisconsin simplifies the process with a core “Basic Plan” that all insurance companies must offer.

This structure is designed to make your initial choice straightforward. Instead of comparing a dozen different plan types, you start with one solid foundation of coverage. From there, you can decide if you want to add extra benefits to tailor the plan to your specific needs. It’s a different way of doing things, but it gives you a clear and consistent starting point, which can be a relief when you’re trying to make sense of all your options.

The Basic Plan vs. Standardized Plans

In almost every other state, you’d be looking at a menu of Medigap plans, each with a different letter and a different combination of benefits. Wisconsin sets that system aside. Here, insurance companies offer one primary Medigap plan, simply called the Basic Plan. This plan helps pay for many of the costs that Original Medicare doesn’t cover, like coinsurance and copayments.

Think of it as the essential package that provides a strong safety net. Every company selling Medigap in Wisconsin must offer this same set of core benefits, which makes comparing your options much easier. You’re not trying to figure out the differences between a Plan G and a Plan N; you’re starting with a consistent base of coverage no matter which provider you choose.

Explore Wisconsin-Specific Benefits

The Wisconsin Basic Plan isn’t just a bare-bones policy. State law requires that all Medigap plans include a robust set of basic benefits. This includes standard coverage like your Medicare Part A and Part B coinsurance, the first three pints of blood, and hospice care copayments.

But Wisconsin goes a step further by mandating extra coverage that you won’t find in basic plans elsewhere. This includes benefits for inpatient mental health care (covering 175 days per lifetime) and an additional 40 home health care visits on top of what Medicare covers. These built-in protections offer significant value and peace of mind right from the start, without you having to purchase them as add-ons.

How to Add Extra Coverage

While the Basic Plan offers great foundational coverage, you have the flexibility to build upon it. Insurance companies allow you to add optional benefits, often called “riders,” to your policy for an additional premium. This lets you create a plan that more closely matches your health needs and lifestyle.

You can choose to add coverage for things like the Medicare Part A deductible, which is the amount you pay for a hospital stay before Medicare kicks in. Other popular riders include coverage for the Part B deductible, protection from Part B excess charges, and benefits for emergency medical care when you travel outside the U.S.. This à la carte approach allows you to pay only for the extra coverage you truly want.

What Does the Wisconsin Basic Medigap Plan Cover?

Think of the Wisconsin Basic Medigap Plan as the foundation of your coverage. It’s designed to pick up many of the costs that Original Medicare (Parts A and B) leaves for you to pay. This plan handles some of the most common and significant out-of-pocket expenses, giving you a solid layer of financial protection.

While it provides a strong base, remember that you can also add optional riders to this plan for more specific needs, like covering your deductibles or getting care while traveling abroad. But first, let’s look at what comes standard with the Basic Plan. It’s quite comprehensive and offers some unique benefits you won’t find in Medigap plans from other states. Understanding these core features is the first step in seeing how this plan can provide you with peace of mind.

Core Hospital and Medical Benefits

The Basic Plan helps with your share of the costs for a wide range of medical services. When you have a hospital stay, for example, it covers the Part A coinsurance. It also helps pay for the first three pints of blood each year. For your everyday health care, the plan covers the Part B coinsurance, which is typically 20% of the cost for most doctor visits and other outpatient medical services. This means that after you’ve met your annual Part B deductible, the plan steps in to pay its share, significantly reducing what you owe for check-ups, specialist appointments, and lab work.

Mental and Home Health Care

One of the standout features of the Wisconsin Basic Medigap Plan is its added support for mental and home health care. The plan provides an additional 175 days of inpatient mental health care over your lifetime, on top of what Medicare covers. This is a substantial benefit that offers extra security for your mental well-being. Furthermore, the plan includes coverage for 40 additional home health care visits beyond what Medicare provides. This can be incredibly helpful if you need skilled care or therapy at home while recovering from an illness or injury, ensuring you get the support you need in a comfortable setting.

Hospice and Skilled Nursing Care

When you or a loved one needs specialized care, the last thing you want to worry about is the cost. The Wisconsin Basic Medigap Plan helps by covering the Part A coinsurance for both hospice and skilled nursing facility care. Original Medicare requires you to pay a daily coinsurance amount for extended stays in a skilled nursing facility, and these costs can add up quickly. By covering this expense, the Basic Plan helps protect your savings during a challenging time. You can review the full list of official plan benefits to see exactly how it helps with these essential services.

How to Customize Your Wisconsin Medigap Plan

One of the most helpful features of Wisconsin’s Medigap system is the ability to personalize your coverage. While the Basic Plan offers a solid foundation, it might not cover everything you need. That’s where optional riders come in. Think of riders as add-ons that you can purchase to fill specific gaps in your coverage, allowing you to create a plan that more closely matches your health needs and lifestyle.

This flexibility means you aren’t stuck with a one-size-fits-all policy. You can pick and choose the extra benefits that matter most to you, whether that’s help with deductibles, coverage for care outside the country, or other specific services. By understanding these options, you can build a Medigap plan that gives you confidence in your health care coverage. Let’s look at some of the most common ways you can customize your plan.

Add Optional Riders to Your Plan

Insurance companies in Wisconsin offer several riders you can add to your Basic Plan for an extra premium. These riders provide benefits for services not included in the base policy. For example, you can add riders to get help with your Medicare Part A and Part B deductibles, cover Part B excess charges, or add extra home health care visits. This approach lets you pay only for the specific additional coverage options you anticipate needing. It’s a practical way to manage your health care costs without paying for a bundle of benefits you may never use.

Get Coverage for Foreign Travel

If you love to travel or have family abroad, this rider is essential. Original Medicare generally does not cover health care you receive outside of the United States. A foreign travel emergency rider can help pay for medically necessary care when you’re in another country. This can be a lifesaver, protecting you from potentially high medical bills if you get sick or injured on a trip. Adding this coverage gives you the freedom to travel with the peace of mind that you have a safety net in place, no matter where your adventures take you.

Cover Your Part A Deductible

The Medicare Part A deductible applies to inpatient hospital stays. This is the amount you have to pay out-of-pocket for a hospital visit before your Medicare benefits start. This deductible can be a significant expense, and you could face it more than once in a year. By adding the Part A deductible rider to your Wisconsin Medigap plan, you can cover this cost. For many people, this is a valuable addition that provides financial protection against unexpected hospitalizations and helps keep your out-of-pocket costs predictable and manageable.

When to Enroll in a Wisconsin Medigap Plan

Timing is everything, especially when it comes to enrolling in a Medigap plan. The window you choose to sign up in can directly impact your eligibility, your monthly premium, and the plan options available to you. While Wisconsin offers more flexibility than many other states, there are still key periods you need to know about to get the best coverage without any hassle.

Think of it like this: there’s a specific, golden window of opportunity when you first become eligible for Medicare. During this time, you have the most power as a consumer. Insurance companies are required to offer you a plan, regardless of any pre-existing health conditions you may have. This is a critical protection because if you miss this initial window, it can become more difficult and potentially more expensive to get a Medigap plan later on. An insurer could review your medical history and either charge you more or deny coverage altogether. Understanding these enrollment periods ensures you can make a confident choice without facing unexpected hurdles or higher costs down the road. Let’s walk through the most important timelines to keep in mind.

Your 6-Month Open Enrollment Window

Your Medigap Open Enrollment Period is the best time to buy a plan. This six-month window automatically starts on the first day of the month you are both 65 or older and enrolled in Medicare Part B. During this period, you have a guaranteed right to buy any Medigap plan sold in Wisconsin. An insurance company cannot deny you coverage or charge you a higher premium because of your health history. This is a one-time opportunity, so it’s crucial to take advantage of it. Once this window closes, you may not have the same protections again, making it the most straightforward time to secure your coverage.

Understand Your Guaranteed Issue Rights

Outside of your Open Enrollment Period, you may still be able to buy a Medigap plan thanks to “guaranteed issue rights.” These are special protections that apply in specific situations, such as if you lose other health coverage. For example, you might have these rights if your employer-sponsored plan is ending or if you move out of your Medicare Advantage plan’s service area. When you have guaranteed issue rights, insurance companies must sell you a Medigap policy without considering your health status. These situations are time-sensitive, so it’s important to act quickly once you qualify to avoid missing your chance.

Know the Special Enrollment Rules

It’s important to remember that you cannot have a Medigap plan and a Medicare Advantage plan at the same time. However, there are special rules if you decide to switch from one to the other. For instance, if you join a Medicare Advantage plan when you first become eligible for Medicare, you have a 12-month “trial right” period. During that year, you can switch back to Original Medicare and have a guaranteed right to buy a Medigap plan. This gives you a chance to see if Medicare Advantage is a good fit for you without losing your opportunity for comprehensive Medigap coverage.

What Determines the Cost of a Wisconsin Medigap Plan?

Figuring out the cost of a Medigap plan can feel like trying to hit a moving target, but it’s more straightforward than you might think. Several key factors influence your monthly premium. While the state standardizes the benefits in the Basic Plan, insurance companies have a lot of flexibility in how they price their policies. Understanding what goes into the cost will help you find a plan that fits your budget without sacrificing the coverage you need. The main elements that shape your premium are the insurance company you choose, your location, and any extra benefits you decide to add.

How Insurance Companies Price Premiums

One of the most important things to know is that different insurance companies can charge wildly different prices for the exact same Medigap plan. Even though Wisconsin’s Basic Plan offers identical benefits no matter who you buy it from, one company might charge significantly more than another. This is because each company sets its own rates based on its business costs and how it assesses risk. This is why you might see monthly premiums for similar coverage range from under a hundred dollars to several hundred. It’s a perfect example of why you should always compare plans from multiple insurers. Don’t just go with the first one you see or the one with the most familiar name.

How Your Location and Health Affect Cost

Where you live in Wisconsin can play a role in how much you pay for your Medigap premium. Rates can vary by zip code, so your neighbor in a different county might see different prices. Your health also matters, but when you enroll is key. If you sign up during your six-month Medigap Open Enrollment Period, which starts when you’re 65 and have Part B, companies can’t use your health history to charge you more. You have guaranteed issue rights. If you wait and try to buy a plan later, insurers can use medical underwriting, which could lead to higher premiums or even a denial of coverage based on pre-existing conditions.

How Customizations Change Your Premium

The Wisconsin Basic Medigap Plan provides a solid foundation, but you can also tailor it with optional riders to better suit your needs. Think of these as add-ons that provide extra coverage for specific services. For example, you can add riders to cover your Medicare Part A deductible, Part B excess charges, or emergency care when you travel outside the U.S. Naturally, adding these benefits will increase your monthly premium. The more coverage you add, the higher the cost will be. You can explore the full list of Wisconsin-specific riders to decide which, if any, make sense for your health care needs and budget.

Medigap vs. Medicare Advantage in Wisconsin

Once you’re enrolled in Original Medicare (Part A and Part B), you face a key decision: how will you handle the costs that Medicare doesn’t cover? Think of it as a fork in the road. One path involves staying with Original Medicare and adding a Medigap plan to help pay for out-of-pocket costs. The other path is to choose a Medicare Advantage plan, which bundles your benefits into a single plan offered by a private insurer.

It’s important to know that you can’t have both. Insurance companies are legally prohibited from selling a Medigap policy to someone who is enrolled in a Medicare Advantage plan. Each option has a different approach to coverage, costs, and how you access care. Understanding these differences is the first step toward finding the right fit for your health needs and budget here in Wisconsin.

Compare Coverage and Doctor Networks

Your choice between Medigap and Medicare Advantage will largely determine which doctors you can see and how your care is covered. With a Medigap plan, you keep your Original Medicare. This means you can visit any doctor or hospital in the United States that accepts Medicare. There are no network restrictions, and you generally don’t need a referral to see a specialist. This freedom is a major benefit for those who travel or want complete control over their choice of providers.

Medicare Advantage plans work differently. They are managed care plans, often structured as HMOs or PPOs. This means you’ll typically need to use doctors and hospitals within the plan’s specific network to keep your costs down. Seeing an out-of-network provider might cost more or not be covered at all, except in emergencies. Many of these plans also require you to get a referral from your primary care physician before seeing a specialist.

Compare Costs and Prescription Drug Plans

The cost structure for these two options is quite different. With a Medigap plan, you’ll pay a monthly premium for the plan itself, in addition to your regular Part B premium. In exchange, the Medigap plan covers many of your out-of-pocket costs, like copayments and coinsurance, making your healthcare expenses highly predictable. However, Medigap plans do not include prescription drug coverage. You will need to enroll in a separate Medicare Part D plan and pay its premium to get your medications covered.

On the other hand, many Medicare Advantage plans have low or even $0 monthly premiums (though you must still pay your Part B premium). Instead of paying a higher premium upfront, you’ll pay copays and coinsurance as you receive medical services. Most Medicare Advantage plans conveniently bundle prescription drug coverage right into the plan. They also often include extra benefits not covered by Original Medicare, such as routine dental, vision, and hearing care.

Avoid These Common Wisconsin Medigap Mistakes

Choosing a Medigap plan is a significant decision, and it’s easy to feel overwhelmed by the details. A few common slip-ups can lead to paying more than you need to or missing out on important coverage. By understanding these potential pitfalls ahead of time, you can make choices that protect both your health and your finances. Let’s walk through the most frequent mistakes people make when selecting a Wisconsin Medigap plan so you can feel confident moving forward. Being aware of these issues is the first step toward getting the right plan for your needs without any surprises.

Mistake #1: Missing Your Enrollment Window

One of the most critical mistakes is missing your one-time Medigap Open Enrollment Period. This six-month window starts the month you turn 65 and are enrolled in Medicare Part B. This is the best time to buy a plan because during this protected period, insurance companies cannot turn you down or charge you more because of your health history. If you miss this window, you lose those guaranteed issue rights. You may have to go through medical underwriting, which could lead to higher premiums or even being denied coverage altogether.

Mistake #2: Forgetting a Part D Plan

It’s a common misconception that Medigap plans cover everything Medicare doesn’t, but that’s not the case. A major oversight is forgetting to enroll in a separate plan for prescription drugs. Medigap plans sold today do not include prescription drug coverage. To cover your medications, you will need to purchase a standalone Medicare Part D plan. Without Part D, you could be responsible for the full cost of your prescriptions, which can add up quickly. Securing this coverage is a crucial step in creating a comprehensive health plan and avoiding unexpected expenses at the pharmacy.

Mistake #3: Assuming All Plans Cost the Same

In Wisconsin, the benefits of the Basic Medigap plan are standardized, meaning the core coverage is the same no matter which company you buy it from. However, the price is not. Many people assume that because the benefits are identical, the premiums will be too. In reality, the cost of Medigap plans can vary significantly from one insurance company to another for the exact same coverage. It is essential to compare quotes from multiple providers. Taking the time to shop around ensures you aren’t overpaying for your plan and can help you find the best value for your budget.

Where to Get Help with Wisconsin Medigap

Figuring out your Medigap options in Wisconsin can feel like a puzzle, but you don’t have to solve it alone. Whether you prefer to do your own research or want personalized guidance, there are excellent resources available to help you understand your choices. From state-run programs to independent specialists, you can find the support you need to pick a plan with confidence. The key is knowing where to look so you can find the right fit for your health needs and budget.

Official State Resources

The State of Wisconsin provides official information to help you get started. The Wisconsin Department of Health Services offers consumer guides that explain how the system works. They clarify that Wisconsin has its own programs, like SeniorCare, which “helps people in the state who are 65 or older pay for prescription drugs.” These state resources are a great, unbiased starting point for understanding the basics of your coverage options and learning about programs unique to Wisconsin residents. They provide a solid foundation before you start comparing specific plans.

Work with a Licensed Specialist

While it might seem simpler to go it alone, working with an independent, licensed specialist can make a huge difference. An experienced agent knows the ins and outs of the Wisconsin market and can help you compare plans from various insurance companies. As Bankers Fidelity points out, “Using an agent to purchase a plan will probably end up saving you money.” A specialist can find the best rates for your situation, answer your questions, and help with enrollment—all at no extra cost to you. They act as your advocate, ensuring you find a plan that truly meets your needs.

Use Online Comparison Tools

Online comparison tools can be a helpful way to begin your research. The Wisconsin Department of Health Services advises consumers to “shop around for different plans because the cost can vary a lot.” These websites allow you to view different options side-by-side, which is useful for getting a general sense of the market. Just remember to look closely at the details. As the state guide suggests, it’s crucial to “make sure you know what you’ll pay and what the plan covers before you choose one.” These tools are most effective when you already have a good idea of what you’re looking for.

How to Choose the Right Wisconsin Medigap Plan

Choosing a Medigap plan can feel like a big decision, but breaking it down into a few simple steps makes it much more manageable. By thinking through your personal needs and comparing your options, you can find a plan that fits you perfectly. The goal is to find coverage that gives you peace of mind without breaking the bank. Let’s walk through how to get there.

Step 1: Assess Your Health Needs and Budget

First, take a moment to think about your own situation. Even with Original Medicare, you’ll still have some out-of-pocket costs like deductibles and coinsurance. The main purpose of a Medigap plan is to help cover these gaps. Ask yourself: How often do I typically visit the doctor? Do I have any chronic conditions that require regular care? What’s a comfortable amount for me to pay in monthly premiums? Understanding your healthcare needs and what you can afford will help you decide which costs you want your Medigap plan to cover. This initial step is all about matching a plan’s benefits to your life.

Step 2: Compare Insurance Companies

Once you have an idea of what you need, it’s time to see who offers it. In Wisconsin, private insurance companies sell Medigap plans. While the benefits of the Basic Plan are the same no matter who you buy it from, the price can vary quite a bit. You’ll want to compare different insurance companies to see their rates. Some companies might be known for excellent customer service, while others are often recognized for offering plans with extra perks. Shopping around is the best way to find the best Medicare Supplement plans for your budget and needs.

Step 3: Make Your Decision with Confidence

With your research done, you can make a choice you feel good about. The most important thing to remember is when to enroll. The best time to buy a Medigap plan is during your 6-month Medigap Open Enrollment Period. This window starts on the first day of the month you turn 65 and are enrolled in Medicare Part B. During this time, insurance companies can’t use your health history to charge you more or deny you coverage. Taking action during this period ensures you get the best price and are guaranteed acceptance, giving you the freedom to choose any plan sold in Wisconsin.

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Frequently Asked Questions

Why doesn’t Wisconsin use the same Medigap plans as other states? Wisconsin created its own system years ago with the goal of making the initial choice simpler. Instead of asking you to compare a dozen different lettered plans, our state requires all insurers to offer one solid “Basic Plan.” This gives everyone a consistent and strong starting point. From there, you have the control to add optional benefits, called riders, to tailor the coverage to your specific needs.

Is the Basic Plan enough coverage on its own? For many people, it absolutely is. The Wisconsin Basic Plan is very comprehensive and includes benefits that aren’t standard in other states, like extra inpatient mental health days. Whether you need to add riders depends on your personal health needs and lifestyle. If you want to be protected from the Part A hospital deductible or need coverage for travel outside the U.S., then adding a rider makes sense.

What happens if I miss my initial 6-month enrollment window? Missing your Medigap Open Enrollment Period can have significant consequences. This is the one-time window where you have a guaranteed right to buy any plan, and insurers cannot use your health history against you. If you apply later, companies can require you to answer health questions. This could lead to you being charged a higher premium or even denied coverage altogether based on pre-existing conditions.

If every company offers the same Basic Plan, should I just pick the cheapest one? While the price is a major factor, it shouldn’t be the only thing you consider. It’s true that the benefits of the Basic Plan are identical across all companies, but premiums can vary widely. It’s essential to compare costs, but you should also look at a company’s history of rate increases and its reputation for customer service. A low initial premium isn’t a great deal if it increases sharply every year.

Does a Wisconsin Medigap plan cover my prescription drugs? No, it does not. This is a crucial point to remember. Medigap plans are designed to help pay for the out-of-pocket costs associated with Original Medicare Parts A and B, like deductibles and coinsurance. They do not include coverage for prescription medications. You will need to purchase a separate Medicare Part D plan to get help paying for your prescriptions.

About the Author

Karl Bruns-Kyler is a licensed independent Medicare insurance broker with over 20 years of experience helping clients make confident, informed healthcare decisions. Based in Highlands Ranch, Colorado, Karl works with Medicare recipients across more than 30 states, offering personalized guidance to help them avoid costly mistakes, find the right coverage, and maximize their benefits. Connect on LinkedIn